feat: implement caddy HTTPS server

opt/caddy/Caddyfile

@@ -0,0 +1,44 @@
+# Global options for Caddy
+{
+  # Email for Let's Encrypt certificate registration
+  email admin@jilits.se
+
+  # Use Let's Encrypt staging for testing
+  # acme_ca https://acme-staging-v02.api.letsencrypt.org/directory
+
+  # Listen on non-standard ports
+  http_port 8080
+  https_port 8443
+}
+
+jilits.se, www.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8000
+}
+
+mail.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8004
+}
+
+git.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8002
+}
+
+yopass.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8007
+}
+
+board.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8001
+}
+
+http://mumble.jilits.se:80 {
+  reverse_proxy {$DOCKER_HOST}:8009
+}
+
+vault.jilits.se {
+  reverse_proxy {$DOCKER_HOST}:8010
+}
+
+# hauk.jilits.se {
+#   reverse_proxy {$DOCKER_HOST}:8011
+# }

opt/caddy/docker-compose.yml

@@ -0,0 +1,18 @@
+---
+services:
+  caddy:
+    image: caddy:2.10.2-alpine
+    restart: unless-stopped
+    ports:
+      - "8080:8080"
+      - "8443:8443"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile:ro
+      - caddy_data:/data
+      - caddy_config:/config
+    environment:
+      DOCKER_HOST: 172.16.0.7
+
+volumes:
+  caddy_data:
+  caddy_config: